Compiler Usage
When first introduced in 2000, SSE2 was not supported by software development tools. For example, to use SSE2 in a Microsoft Developer Studio project, the programmer had to either manually write inline-assembly or import object-code from an external source. Later the Visual C++ Processor Pack added SSE2 support to Visual C++ and MASM.
The Intel C++ Compiler can automatically generate SSE4/SSSE3/SSE3/SSE2 and/or SSE-code without the use of hand-coded assembly.
Since GCC 3, GCC can automatically generate SSE/SSE2 scalar code when the target supports those instructions. Automatic vectorization for SSE/SSE2 has been added since GCC 4.
The Sun Studio Compiler Suite can also generate SSE2 instructions when the compiler flag -xvector=simd is used.
Read more about this topic: SSE2
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